innxbatch - send xbatched Usenet articles to a remote NNTP
       server


SYNOPSIS

       innxbatch [ -D ] [ -t timeout ] [ -T timeout ] [ -v ] host
       file ...


DESCRIPTION

       Innxbatch  connects  to  the  NNTP server at the specified
       host and sends it the specified xbatch  files,  using  the
       XBATCH  extension  to  the  NNTP  protocol. It is normally
       invoked by a script run out of cron(8) that uses shlock(1)
       to lock the host name, followed by a ctlinnd(8) command to
       flush the batchfile.

       Innxbatch normally blocks until the  connection  is  made.
       To  specify  a timeout on how long to try to make the con­
       nection, use the ``-t'' flag.
       To specify the total amount of time that should be allowed
       for article transfers, use the ``-T'' flag.
       The  default  is to wait until an I/O error occurs, or all
       the articles have been transferred. If the ``-T'' flag  is
       used,  the  time  is  checked  just  before  an article is
       started; it will not abort a transfer that is in progress.
       Both values are measured in seconds.

       Each file is removed after it has been successfully trans­
       ferred.

       If a communication error such as a write(2) failure, or an
       unexpected  reply from the remote server occurs, innxbatch
       will stop sending and leave all remaining files  untouched
       for later retry.

       Upon  exit,  innxbatch  reports  transfer  and  CPU  usage
       statistics via syslog(3).  If the  ``-v''  flag  is  used,
       they will also be printed on the standard output.

       Use  the  ``-D''  flag  to  print debugging information on
       standard error.  This will show the protocol  transactions
       between  innxbatch and the NNTP server on the remote host.

       A sample newsfeeds(5) entry to produce appropriate  xbatch
       files (thanks to Karsten Leipold <poldi@dfn.de>):

         nase\
           :*\
           :Tc,Wnb\
           :<PREFIX specified with --prefix at configure>/batcher \
              -p "(<$ac_cv_path_COMPRESS in config.cache> >\
              <pathoutgoing in inn.conf>/nase.\$\$)" \
              nase.do.main


         #!/bin/sh
         ##  SH script to send xbatches for a site, wrapped around innxbatch
         ##  Invocation:
         ##     sendxbatches.sh <sitename> <hostname> <xbatch file name> ...

         if [ $# -le 3 ]
         then
            echo "usage: $0 <sitename> <hostname> <xbatch file name>"
            exit 1
         fi

         . <PREFIX specified with --prefix at configure>/innshellvars

         site="$1"; host="$2"; shift; shift

         ctlinnd flush "$site" \
         && sleep 5 \
         && exec $NEWSBIN/innxbatch -v -D "$host" $*


HISTORY

       Written  by Stefan Petri <petri@ibr.cs.tu-bs.de>, modelled
       after innxmit(8) and the XBATCH patch for the nntp  refer­
       ence implementation.


SEE ALSO

       ctlinnd(8),   inn.conf(5),   innd(8),   innxmit(8),  news­
       feeds(5), nntpsend(8), shlock(1).


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